fix(tiller): Fixes problem with `--wait` on headless Services

Headless services (with `clusterIP` set to `None`) were reporting
as not being ready because they didn't have an IP address. This adds
a logic check to ignore those services.

pkg/kube/client.go

@@ -520,7 +520,8 @@ func podsReady(pods []api.Pod) bool {
 
 func servicesReady(svc []api.Service) bool {
 	for _, s := range svc {
-		if !api.IsServiceIPSet(&s) {
+		// Make sure the service is not explicitly set to "None" before checking the IP
+		if s.Spec.ClusterIP != api.ClusterIPNone && !api.IsServiceIPSet(&s) {
 			return false
 		}
 		// This checks if the service has a LoadBalancer and that balancer has an Ingress defined